Rad Exam 1-4 Questions and Answers
Which of the following cells/tissues are most sensitive to radiation - Answer-All of the above tissues are
most sensitive to radiation
A dosimeter is defined as - Answer-The device used to measure radiation exposure to the personnel
All of the following are true statements regarding x-radiation except - Answer-Animals' cells are not as
susceptible to damage from irradiation as human cells
The father of radiography, __?__ , discovered x-rays in 1895 by using his wife as a patient. - Answer-
Wilhelm Conrad Roentgen
In an x-ray tube, the majority of the energy produced by the collision of electrons with the target area is
in the form of - Answer-Heat
All of the following statements are true regarding a stationary anode in an x-ray tube except - Answer-Is
able to withstand large amounts of heat
The term radioactivity describes a(n) __?__ which is in a(n) __?__ state. - Answer-atom, excited
All of the following are properties of x-radiation except - Answer-they are not harmful
,X-rays can do all of the following except - Answer-bend around corners
Lead lined apparel is designed to protect you from - Answer-scatter radiation
Which of the following best describes the law of inverse squares as it relates to radiation safety -
Answer-Your radiation exposure decreases to 1/4 the original if you move twice as far away from the
machine
An x-ray is __?__ and __?__. - Answer-highly penetrating, invisible
The primary beam is defined as - Answer-radiation that exits the machine via the window to create your
diagnostic image
Which of the following is not a potential exposure source of x-radiation within veterinary medicine -
Answer-Tertiary source radiation
What is ALARA - Answer-as low as reasonably achievable
Which of the following is included in the practice of ALARA - Answer-lead lined apparel
increased distance
reduced time
* all of the above *
Given mA = 300 and time = 1/60 sec, what is mAs - Answer-5
The potential difference between the anode and the cathode is measured in - Answer-Kilovolts
, The temperature of the filament within the cathode is controlled by - Answer-mA
Which of the following is described as non-image forming radiation - Answer-Scatter Radiation
All of the following are ways to reduce scatter radiation except - Answer-High kVp
All of the following are characteristics of grids except - Answer-Are indestructible
Which of the following grids is the most efficient as determined by it's grid ratio - Answer-10:1
SID for most small animal stationary machine procedures is - Answer-40 in
The metals used in the construction of the x-ray tube have low melting points to withstand the high
amount heat released during the creation of x-radiation. - Answer-False
Which of the following bones connects the stifle to the pelvis - Answer-femur
Which of the following form the hip of most animals - Answer-femur, acetabulum, pelvis
The filament in the x-ray tube is a coiled __?__ made of __?__. - Answer-wire, tungsten
The anode rotates in order to - Answer-dissipate the heating effect of the electrons as they hit the
target
X-rays are produced when __?__ electrons are attracted to __?__ by an electromagnetic force. -
Answer-negative, a positive anode
Which of the following cells/tissues are most sensitive to radiation - Answer-All of the above tissues are
most sensitive to radiation
A dosimeter is defined as - Answer-The device used to measure radiation exposure to the personnel
All of the following are true statements regarding x-radiation except - Answer-Animals' cells are not as
susceptible to damage from irradiation as human cells
The father of radiography, __?__ , discovered x-rays in 1895 by using his wife as a patient. - Answer-
Wilhelm Conrad Roentgen
In an x-ray tube, the majority of the energy produced by the collision of electrons with the target area is
in the form of - Answer-Heat
All of the following statements are true regarding a stationary anode in an x-ray tube except - Answer-Is
able to withstand large amounts of heat
The term radioactivity describes a(n) __?__ which is in a(n) __?__ state. - Answer-atom, excited
All of the following are properties of x-radiation except - Answer-they are not harmful
,X-rays can do all of the following except - Answer-bend around corners
Lead lined apparel is designed to protect you from - Answer-scatter radiation
Which of the following best describes the law of inverse squares as it relates to radiation safety -
Answer-Your radiation exposure decreases to 1/4 the original if you move twice as far away from the
machine
An x-ray is __?__ and __?__. - Answer-highly penetrating, invisible
The primary beam is defined as - Answer-radiation that exits the machine via the window to create your
diagnostic image
Which of the following is not a potential exposure source of x-radiation within veterinary medicine -
Answer-Tertiary source radiation
What is ALARA - Answer-as low as reasonably achievable
Which of the following is included in the practice of ALARA - Answer-lead lined apparel
increased distance
reduced time
* all of the above *
Given mA = 300 and time = 1/60 sec, what is mAs - Answer-5
The potential difference between the anode and the cathode is measured in - Answer-Kilovolts
, The temperature of the filament within the cathode is controlled by - Answer-mA
Which of the following is described as non-image forming radiation - Answer-Scatter Radiation
All of the following are ways to reduce scatter radiation except - Answer-High kVp
All of the following are characteristics of grids except - Answer-Are indestructible
Which of the following grids is the most efficient as determined by it's grid ratio - Answer-10:1
SID for most small animal stationary machine procedures is - Answer-40 in
The metals used in the construction of the x-ray tube have low melting points to withstand the high
amount heat released during the creation of x-radiation. - Answer-False
Which of the following bones connects the stifle to the pelvis - Answer-femur
Which of the following form the hip of most animals - Answer-femur, acetabulum, pelvis
The filament in the x-ray tube is a coiled __?__ made of __?__. - Answer-wire, tungsten
The anode rotates in order to - Answer-dissipate the heating effect of the electrons as they hit the
target
X-rays are produced when __?__ electrons are attracted to __?__ by an electromagnetic force. -
Answer-negative, a positive anode
